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7625663 |
Cerium batteries
A power cell ( 100 A) has an electrolyte that includes a reodox pair comprising cerium. The electrolyte in preferred cells is an acid electrolyte that comprises a element ion complexed by an...
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7591964 |
Electrochemical devices comprising proton conducting mediums
An electrochemical device and a proton conducting medium for use in an electrochemical device having a proton conducting electrolyte comprising the formula:
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7585580 |
Direct reacting anolyte-catholyte fuel cell for hybrid energy sources
A fuel cell and a method for using the fuel cell to make electricity, in which the fuel cell has an anode half-cell having an electrocatalytic anode and a liquid anolyte that is substantially...
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7560189 |
Mixed electrolyte battery
A battery ( 100 B) comprises an electrolyte in which a first element forms a redox pair with a second element, wherein the battery ( 100 B) is charged at a voltage sufficient to plate the first...
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7550224 |
Apparatus equipped with metallic manganese anode for generating power from voltage gradients at the sediment-water interface
An apparatus having a metallic manganese anode; a cathode capable of reducing at least one species found in marine water; and a rig coupled to the anode and the cathode capable of maintaining the...
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7547488 |
Oriented strand board panel having improved strand alignment and a method for making the same
An oriented strand board panel and a method for making the same are provided. The OSB panel has at least three layers, namely, a top surface layer, a core layer, and a bottom surface layer. A first...
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7537859 |
Redox flow battery
A redox flow battery 1 has a stack of individual cells, shown diagrammatically as a single cell, with anolyte and catholyte compartments divided from each other by an ionically selective and...
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7521149 |
High efficiency semi-fuel cell incorporating an ion exchange membrane
A new semi-fuel cell design that incorporates ion exchange membranes to create separate compartments for the anolyte and catholyte to flow through the semi-fuel cell thereby isolating the metal...
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7514173 |
Water-activated cell and method of power generation
A water-activated cell comprises an acidic medium including an acidic substance and having a first electrode disposed therein, a basic medium including a basic substance and having a second...
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7485211 |
Electro-catalysts for the oxidation of ammonia in alkaline media
An electro-catalyst for the oxidation of ammonia in alkaline media; the electrocatalyst being a noble metal co-deposited on a support with one or more other metals that are active to ammonia...
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7482081 |
Battery system with in-situ and on-time continuous regeneration of the electrodes
The battery system of this invention continuously regenerates the electrodes of the battery in-situ and on-time as the electrodes are consumed during discharge, which concurrently generate electric...
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7452486 |
Zinc lanthanide sulfonic acid electrolytes
Disclosed are aqueous solutions for use in high energy, highly efficient electrical energy storage devices. The solutions contain (a) a high purity sulfonic acid with a low concentration of low...
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7432013 |
Secondary battery and method of generating electric power
A secondary battery comprising a power generating part and a charging part, wherein
the power generating part comprises an acidic medium in which a first electrode is disposed and a basic...
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7429371 |
Reversible oxidation of carbon nanotubes
Carbon nanotubes have been reversibly and readily oxidized and reduced with common chemicals in solution, thereby allowing the nanotubes to be used as catalysts for chemical reactions and as stable...
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7361427 |
Manifold for a pile configured battery
An improved method of fabricating and discharging a pile configured battery which utilizes an electrically conductive flowing aqueous electrolyte. This is accomplished by use of a single piece...
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7358001 |
Process for operating a regenerative fuel cell
In the regenerative fuel cell, a positive chamber is separated from a negative chamber by a cation exchange membrane. The positive chamber comprises a positive electrode and a bromine-containing...
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7320844 |
Vanadium/polyhalide redox flow battery
The invention relates to a redox flow cell containing a polyhalide/halide redox couple in the positive half-cell electrolyte and a V(III)/V(II) redox couple in the negative half-cell electrolyte....
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7297437 |
Battery with gelled electrolyte
An electric device comprises a gelled acid electrolyte ( 142 A) in complex with a lanthanide that forms a redox pair with a second element. Preferred electric devices include batteries and...
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7270911 |
Load leveling battery and methods therefor
A load leveling battery ( 122 ) comprising an electrolyte that includes a cerium zinc redox pair wherein preferred electrolytes are acid electrolytes, and most preferably comprise methane sulfonic...
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7255960 |
Bi-liquid phase replenishment electrolyte management system
An electrochemical cell system and methods for controlling the system are provided that are operated to produce an amount of current based upon power draw. The cell utilizes a solution phase...
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7252905 |
Lanthanide batteries
A battery ( 100 ) comprises an electrolyte in which a lanthanide and zinc form a redox pair. Preferred electrolytes are acid electrolytes, and most preferably comprise methane sulfonic acid, and it...
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7220515 |
Pressure fluctuation prevention tank structure, electrolyte circulation type secondary battery, and redox flow type secondary battery
A simplified, pressure-variation preventing tank structure capable of preventing pressure variations in a gas phase portion resulting from temperature variations, without bringing stored liquid...
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7214443 |
Secondary battery with autolytic dendrites
A battery ( 100 ) comprises a cell having a cathode compartment ( 120 ) that includes an element that is oxidized during charging of the battery ( 100 ), wherein the oxidized element forms a salt...
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7195841 |
System and a method of solid storage and dissolution of a catholyte for use in electrochemical cell
A system and a method of storage and dissolution of solid catholyte are provided. The system and the method employ a solid medium having a controlled surface from which solid catholyte particles...
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7129000 |
Battery and method for generating an electric power
For utilizing the chemical energy of a sugar directly as electric energy, electrolytic oxidation of a sugar on the negative electrode associated with cleavage of a carbon-carbon bond thereof is...
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7078123 |
High energy density vanadium electrolyte solutions, methods of preparation thereof and all-vanadium redox cells and batteries containing high energy vanadium electrolyte solutions
Disclosed is a method for preparing a high energy density (HED) electrolyte solution for use in an all-vanadium redox cell, a high energy density electrolyte solution, in particular an all-vanadium...
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7033696 |
Electric devices with improved bipolar electrode
An electric device has a plurality of cells in which in an acid electrolyte a lanthanide and zinc form a redox couple that provide a current, and in which at least two of the cells are separated by...
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6986966 |
Battery with bifunctional electrolyte
A battery comprises an acid electrolyte in which a compound provides acidity to the electrolyte and further increases solubility of at least one metal in the redox pair. Especially preferred...
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6982128 |
Co-catalyst proton exchange membrane fuel cell utilizing borohydride fuels
Two co-catalysts selected from the transitional metals can be employed in proton exchange membrane fuel cells to catalyze a borohydride anolyte, such that diatomic hydrogen produced on the surface...
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6955866 |
Coated lithium electrodes
Batteries including a lithium anode stabilized with a metal-lithium alloy and battery cells comprising such anodes are provided. In one embodiment, an electrochemical cell having an anode and a...
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6916576 |
Power generating method and cell
A positive electrode, a negative electrode, and an electrolyte intervening between the positive electrode and the negative electrode are employed, and a molecule capable of being excited due to...
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6905797 |
Porous mat electrodes for electrochemical reactor having electrolyte solution distribution channels
A multicell assembly for a redox flow electrolyzer is constituted by alternately stacking pre-assembled elements, typically an electrode subassembly including porous mat electrodes on opposite...
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6887600 |
Regenerative fuel cell with pH control
The present invention relates to a process for operating a regenerative fuel cell (RFC). The process involves circulating a first electrolyte (electrolyte 1 ) through the negative chamber of the...
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6872376 |
Modified vanadium compound, producing method thereof, redox flow battery electrolyte composite and redox flow battery electrolyte producing method
A modified vanadium compound characterized in that vanadium sulfate (III), or a mixed vanadium compound of vanadium sulfate (III) and vanadyl sulfate (IV) contains excessive sulfuric acid other...
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6864012 |
Recombinator for the re-acidification of an electrolyte stream in a flowing electrolyte zinc-bromine battery
A recombinator device and associated method for re-acidification of an electrolyte in a flowing electrolyte zinc-bromine battery. The recombinator device receives hydrogen, formed as a result of...
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6855443 |
Electrochemical device
A device in accordance with a present invention includes at least one of a stainless steel anode and transition metal oxide cathode.
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6849356 |
Separated flow liquid catholyte aluminum hydrogen peroxide seawater semi fuel cell
The present invention relates to an improved semi-fuel cell and an improved cathode used therein. The semi-fuel cell stack comprises a housing, an anode within the housing, a porous cathode within...
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6841294 |
Electrolyte rebalancing system
A process for rebalancing the electrolyte system in a regenerative fuel cell using a sulfide/polysulfide reaction in one half of the cell and a bromine/bromide reaction in the other half of the...
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6838208 |
Modified thermal galvanic cell
This invention is directed to modified thermal galvanic cells for conversion of heat into useful electrical energy by electrochemical action using thermal and concentration differences to enhance...
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6790555 |
Electrochemical cell having a controlled electrode surface
The present invention relates to an electrochemical cell having a controlled electrode surface, comprising: a first electrode and a second electrode wherein at least one of the first and second...
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6773470 |
Suspensions for use as fuel for electrochemical fuel cells
A fuel composition for fuel cells includes a polar solvent such as water, a first portion of a first fuel dissolved in the solvent at a saturated concentration, and a second portion of the first...
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6764789 |
Redox flow battery
The present invention provides a redox flow type battery which a liquid-circulating battery comprising a battery cell and storage tanks for positive and negative electrolytes, wherein the battery...
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6720107 |
Redox gel battery
A redox gel battery comprising at least one cell consisting of: (i) a positive gel electrolyte containing reactive ions which are reduced but do not undergo phase transfer during operation of the...
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6692862 |
Redox flow battery and method of operating it
By realizing or installing check valve liquid vein interrupters in each compartment of the battery the phenomenon of slow discharge of the retained volumes of electrolytes during long periods of...
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6652819 |
Production of high purity vanadium compound from vanadium-containing carbonaceous residues
A process for the production of a vanadium compound from carbonaceous residues containing vanadium, which includes the steps of: (a) combusting the carbonaceous residues at a temperature of...
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6617070 |
Methods of detecting the onset of colloid formation in particular sulfur precipitation
A method suitable for detecting the onset of colloid formation within a solution whose composition is in a state of change, which method makes use of the technique of acoustophoresis and which...
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6613298 |
Trivalent and tetravalent mixed vanadium compound producing method and vanadium electrolyte producing method
The present invention provides method of producing a trivalent and tetravalent mixed vanadium compound having excellent solubility with sulfuric acid directly from a tetravalent or pentavalent...
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6613471 |
Active material for fuel cell anodes incorporating an additive for precharging/activation thereof
A hydrogen storage alloy active material for the anode of Ovonic instant startup/regenerative fuel cells. The active material includes a hydrogen storage alloy material with a water reactive...
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6555267 |
Membrane-separated, bipolar multicell electrochemical reactor
A multicell assembly is constituted by alternately stacking two types of pre-assembled elements: a bipolar electrode holding subassembly and a membrane holding subassembly. The alternate stack of...
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6537468 |
Composition for ionically conductive solid polymer, ionically conductive solid polyelectrolyte, binder resin, and secondary battery
The invention is directed at an ion-conductive solid polymer-forming composition, a binder resin and an ion-conductive solid polymer electrolyte comprising (A) a polymeric compound containing...
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